PEREIRA SANTOS, L. R. Hypersurfaces associated to Sn by a sphere congruence. Selecciones Matemáticas, [S. l.], v. 6, n. 02, p. 225-237, 2019. DOI: 10.17268/sel.mat.2019.02.09. Disponível em: https://revistas.unitru.edu.pe/index.php/SSMM/article/view/2630. Acesso em: 28 apr. 2024.